Audi-Porsche-VW-03-7SEU16C-PV7

DENSO Air Conditioning systems provide high cooling capacity with the lowest cost of ownership in the market – making them a practical aftermarket option and a responsible investment.

http://www.compressor-express.com/ac-compressor/audi/Audi-Porsche-VW-03-7SEU16C-PV7

Some Audi Q7 are built with the same air conditioning compressor. The Original Equipment Manufacturer Numbers (OEM numbers) are Audi 3B0820803A, 3B0820803B, 3B0820803C, 3D0820803M, 3D0820803R, 7L6820803D, 7L6820803G, 7L6820803L, 7L6820803P, 7L6820803S, 7P0820803E.

http://www.youtube.com/watch?feature=player_embedded&v=jmSGGnubIZY

The air-conditioning system of these vehicles was assembled with a Denso 7SEU16C compressor. Manufacturer numbers: Denso 447150-3630, 447170-8680, 447170-8685, 447170-8686, 447170-8687, 447170-8688, 447180-8600, 447190-4350, 447190-4353, 447190-7590, 447190-7596.

These ac units seem to be interchangeable.